Anshei Knesset HaGedolah

אַנְשֵׁי כְּנֶסֶת הַגְּדוֹלָה – the Great Assembly, or Men of the Great Assembly, which was formed in later Biblical times. Members include elders and prophets, and most notably its founder, Ezra the Scribe. A rabbinical court is also known as beit din, so the Anshei Knesset haGedolah is often known as Ezra’s Court of Law. This assembly established such rules as the division of of midrash, halakhot and aggadot, defining the canon of the Jewish Bible, including in that canon the later (minor) prophets, and establishing the daily recital of the Amidah.